Items are now housed in a temperature and humidity-controlled strong-room protected by an inert gas fire protection system, which would douse the room in gas to kill flames instead of using water.
All of the Fernando de Noronha archipelago is fantastically empty, as the hyper-protected islands have room for only about 700 tourists at once (along with fewer than 4, 000 locals), and those visitors have their choice of 17 beaches, most of which are easier to reach than Sancho.